X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.2
Details pH 6.20

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 56.96 α = 90
b = 69.09 β = 90
c = 89.02 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC CCD -- 1998-01-12
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX9.6 -- SRS PX9.6

Data Collection

Overall
Resolution (High) Resolution (Low) Percent Possible (Observed) R Merge I (Observed) R Sym I (Observed) Net I Over Average Sigma (I) Redundancy Number Reflections (All) Number Reflections (Observed) Observed Criterion Sigma (F) Observed Criterion Sigma (I) B (Isotropic) From Wilson Plot
1.38 50 96.2 0.038 -- -- 4.3 -- 68596 -- -- 11.3
High Resolution Shell
Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
1.38 1.47 79.0 -- -- -- -- --

Refinement

Statistics
Structure Solution Method Refinement High Resolution Refinement Low Resolution Cut-off Sigma (I) Cut-off Sigma (F) Number of Reflections (All) Number of Reflections (Observed) Number of Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work R-Free R-Free Selection Details
MOLECULAR REPLACEMENT 1.38 50.0 -- 0.0 -- 68596 3351 96.2 -- 0.175 0.175 0.2 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 1.38 1.47 -- 502 8980 0.212 0.211 0.009 79.0
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model RESTRAINED
Mean Isotropic B 12.7
Anisotropic B[1][1] -0.73
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 1.13
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.41
RMS Deviations
Key Refinement Restraint Deviation
c_improper_angle_d 0.88
c_mcbond_it 0.23
c_scbond_it 0.4
c_angle_deg 1.3
c_scangle_it 0.61
c_bond_d 0.006
c_dihedral_angle_d 23.2
c_mcangle_it 0.41
Coordinate Error
Parameter Value
Luzzati ESD (Observed) 0.18
Luzzati Sigma A (Observed) 0.13
Luzzati Resolution Cutoff (Low) 5.0
Luzzati ESD (R-Free Set) 0.14
Luzzati Sigma A (R-Free Set) 0.1
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2779
Nucleic Acid Atoms 0
Heterogen Atoms 47
Solvent Atoms 291

Software

Software
Software Name Purpose
CNS refinement version: 0.5
DENZO data reduction
SCALEPACK data scaling
CNS phasing